Instruction manual

Using the Recall Feature Has No Effect
Possible Cause: Recall Timer Duration setting is too short.
What to do: Increase the
Recall Timer Duration (#107) by 100 milliseconds. See Chapter
5.
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If the Recall feature works, the problem is solved.
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If the Recall feature still does not work, continue increasing the Recall Timer Duration
by increments of 100 milliseconds until the problem is solved.
Using the Recall Feature Disconnects Call
This problem applies when the system is installed behind a PBX or Centrex system or with
the local phone company’s “Call Waiting” feature.
Possible Cause: Recall Timer Duration setting is too long.
What to do: Decrease the
Recall Timer Duration (#107) by 100 milliseconds.
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If the Recall feature works properly, the problem is solved.
If the Recall feature still disconnects calls, continue decreasing the Recall Timer
Duration by increments of 100 milliseconds until the problem is solved.
Phone Rings Back After Intercom Call
with No One at Other End
Possible Cause 1: The switchhook on a standard phone is accidentally pressed and
released, causing a call to ring back.
What to do: Always replace the handset carefully.
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If the problem is not solved, go to Possible Cause 2.
Possible Cause 2: Automatic Line Selection is programmed incorrectly.
What to do: If one of the phones involved is a standard single-line rotary or touch-tone
telephone, program its
Automatic Line Selection to “intercom first.”
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If the problem is not solved, call the AT&T Helpline.*
*
In the continental U.S., help is available at 1 800 628-2888. Outside the continental U.S., call your local
AT&T Authorized Dealer.
6-6 Troubleshooting